System.Linq.Tests.ExceptTests.SecondNullCustomComparer C# (CSharp) Method

        public void SecondNullCustomComparer()
        {
            string[] first = { "Bob", "Tim", "Robert", "Chris" };
            IQueryable<string> second = null;

            Assert.Throws<ArgumentNullException>("source2", () => first.AsQueryable().Except(second, new AnagramEqualityComparer()));
        }